+++ /dev/null
-/* src/client/wincontrol.c
- *
- * This file is part of PlomRogue. PlomRogue is licensed under the GPL version 3
- * or any later version. For details on its copyright, license, and warranties,
- * see the file NOTICE in the root directory of the PlomRogue source package.
- */
-
-#include "wincontrol.h"
-#include <ncurses.h> /* getmaxx(), getmaxy(), wresize() */
-#include <stddef.h> /* NULL */
-#include <stdint.h> /* uint8_t, uint32_t, UINT16_MAX */
-#include <stdio.h> /* sprintf() */
-#include <stdlib.h> /* free() */
-#include <string.h> /* memcpy(), memset(), strchr(), strlen() */
-#include "../common/rexit.h" /* exit_err(), exit_trouble() */
-#include "../common/try_malloc.h" /* try_malloc() */
-#include "windows.h" /* Win,yx_uint16, get_win_by_id(),get_win_pos_in_order() */
-#include "world.h" /* global world */
-
-
-
-/* Get Win before window identified by "c" or NULL if there is none. */
-static struct Win * get_win_before(char c);
-
-/* Make .v_screen just wide enough to contain all visible windows. */
-static void refit_v_screen();
-
-/* Update geometry (sizes, positions) of window "w" and its successors in the
- * window chain. Use place_win() for the positioning algorithm.
- */
-static void update_wins(struct Win * w);
-static void place_win(struct Win * w);
-
-/* Write "win"'s size back to .target_(height/width) as per .target_*_type. */
-static void set_win_target_size(struct Win * win);
-
-/* Append/suspend window "w" to/from chain of visible windows. Appended windows
- * will become active. Suspended active windows will move the active window
- * selection to their successor in the window chain or, failing that, their
- * predecessor, or, failing that, to 0 (no window active).
- */
-static void append_win(struct Win * w);
-static void suspend_win(struct Win * w);
-
-
-
-extern struct Win * get_win_before(char c)
-{
- uint8_t i = get_win_pos_in_order(c);
- if (i > 0)
- {
- return get_win_by_id(world.winDB.order[i - 1]);
- }
- return NULL;
-}
-
-
-
-static void refit_v_screen()
-{
- /* Determine rightmost window column. */
- uint32_t lastwcol = 0;
- struct Win * wp = get_win_by_id(world.winDB.order[0]);
- while (wp != 0)
- {
- if ((uint32_t) wp->start.x + (uint32_t) wp->frame_size.x > lastwcol + 1)
- {
- lastwcol = (uint32_t) wp->start.x + (uint32_t) wp->frame_size.x - 1;
- }
- wp = get_win_after(wp->id);
- }
-
- /* Only resize .v_screen if the rightmost window column has changed. */
- char * err_s = "refit_v_screen() grows virtual screen beyond legal sizes.";
- char * err_m = "refit_v_screen() triggers memory alloc error in wresize().";
- if ((uint32_t) getmaxx(world.winDB.v_screen) + 1 != lastwcol)
- {
- uint8_t t = (lastwcol + 2 > UINT16_MAX);
- exit_err(t, err_s);
- t = wresize(world.winDB.v_screen, getmaxy(world.winDB.v_screen),
- lastwcol + 2);
- exit_err(t, err_m);
- }
-}
-
-
-
-static void update_wins(struct Win * w)
-{
- place_win(w);
- refit_v_screen();
- struct Win * next = get_win_after(w->id);
- if (next)
- {
- update_wins(next);
- }
-}
-
-
-
-static void place_win(struct Win * w)
-{
- uint8_t sep = 1; /* Width of inter-window borders and title bars. */
-
- /* If w is first window, it goes into the top left corner. */
- w->start.x = 0;
- w->start.y = 0 + sep;
- struct Win * w_prev = get_win_before(w->id);
- if (w_prev)
- {
-
- /* If not, get w's next predecessor starting a new stack on the screen
- * top, fit w's top left corner to that predecessor's top right corner.
- */
- struct Win * w_top = w_prev;
- for (; w_top->start.y != 0 + sep; w_top = get_win_before(w_top->id));
- w->start.x = w_top->start.x + w_top->frame_size.x + sep;
-
- /* If enough space is found below w's predecessor, fit w's top left
- * corner to that predecessor's bottom left corner.
- */
- uint16_t next_free_y = w_prev->start.y + w_prev->frame_size.y + sep;
- if ( w->frame_size.x <= w_prev->frame_size.x
- && w->frame_size.y <= world.winDB.v_screen_size.y - next_free_y)
- {
- w->start.x = w_prev->start.x;
- w->start.y = next_free_y;
- return;
- }
-
- /* If that fails, try to fit w's top left corner to the top right corner
- * of its next predecessor w_test 1) below w_top (w's next predecessor
- * starting a new stack on the screen top) 2) and the most rightward
- * lower neighbor of a window w_high, itself throning over enough free
- * space for w to fit below it, rightwards of its lower neighbor w_test.
- */
- struct Win * w_test = w_prev;
- struct Win * w_high;
- while (w_test != w_top)
- {
- for (w_high = get_win_before(w_test->id); /* Walk down chain */
- w_test->start.y <= w_high->start.y; /* until w_high starts */
- w_high = get_win_before(w_high->id)); /* higher than w_test. */
- next_free_y = w_high->start.y + w_high->frame_size.y + sep;
- uint16_t first_free_x = w_test->start.x + w_test->frame_size.x +sep;
- uint16_t last_free_x = w_high->start.x + w_high->frame_size.x;
- if ( w->frame_size.y <= world.winDB.v_screen_size.y - next_free_y
- && w->frame_size.x <= last_free_x - first_free_x)
- {
- w->start.x = first_free_x;
- w->start.y = next_free_y;
- break;
- }
- w_test = w_high;
- }
- }
-}
-
-
-
-static void set_win_target_size(struct Win * w)
-{
- if (0 == w->target_height_type)
- {
- w->target_height = w->frame_size.y;
- }
- else if (1 == w->target_height_type)
- {
- w->target_height = w->frame_size.y - world.winDB.v_screen_size.y +1;
- }
- if (0 == w->target_width_type)
- {
- w->target_width = w->frame_size.x;
- }
- else if (1 == w->target_width_type)
- {
- w->target_width = w->frame_size.x - world.winDB.v_screen_size.x;
- }
-}
-
-
-
-static void append_win(struct Win * w)
-{
- uint8_t old_size = strlen(world.winDB.order) + 1;
- char * new_order = try_malloc(old_size + 1, __func__);
- memcpy(new_order, world.winDB.order, old_size - 1);
- new_order[old_size - 1] = w->id;
- new_order[old_size] = '\0';
- free(world.winDB.order);
- world.winDB.order = new_order;
- world.winDB.active = w->id;
- update_wins(w);
-}
-
-
-
-static void suspend_win(struct Win * w)
-{
- uint8_t new_size = strlen(world.winDB.order);
- char * new_order = try_malloc(new_size, __func__);
- uint8_t i = get_win_pos_in_order(w->id);
- char next_char = world.winDB.order[i + 1];
- world.winDB.order[i] = '\0';
- char * second_part = &world.winDB.order[i + 1];
- int test = sprintf(new_order, "%s%s", world.winDB.order, second_part);
- exit_trouble(test < 0, __func__, "sprintf");
- free(world.winDB.order);
- world.winDB.order = new_order;
- world.winDB.active = world.winDB.order[i];
- if (!world.winDB.order[i] && 0 < i)
- {
- world.winDB.active = world.winDB.order[i - 1];
- }
- if (world.winDB.order[i])
- {
- update_wins(get_win_by_id(next_char)); /* Already calls */
- return; /* refit_v_screen(), so leave. */
- }
- refit_v_screen();
-}
-
-
-
-extern void toggle_window(char id)
-{
- struct Win * win = get_win_by_id(id);
- if (!strchr(world.winDB.order, id))
- {
- append_win(win);
- return;
- }
- suspend_win(win);
-}
-
-
-
-extern void toggle_winconfig()
-{
- if (!world.winDB.active)
- {
- return;
- }
- struct Win * w = get_win_by_id(world.winDB.active);
- if (0 == w->view)
- {
- w->view = 1;
- w->target_center = w->center;
- memset(&w->center, 0, sizeof(struct yx_uint16));
- return;
- }
- else if (1 == w->view)
- {
- w->view = 2;
- w->center.x = 0;
- return;
- }
- w->view = 0;
- w->center = w->target_center;
-}
-
-
-
-extern void toggle_win_size_type(char axis)
-{
- struct Win * w = get_win_by_id(world.winDB.active);
- if ('y' == axis)
- {
- w->target_height_type = (0 == w->target_height_type);
- set_win_target_size(w);
- return;
- }
- w->target_width_type = ( 0 == w->target_width_type
- && w->frame_size.x <= world.winDB.v_screen_size.x);
- set_win_target_size(w);
-}
-
-
-
-extern void toggle_linebreak_type()
-{
- struct Win * w = get_win_by_id(world.winDB.active);
- if (0 == w->linebreak)
- {
- w->linebreak = 1;
- }
- else if (1 == w->linebreak)
- {
- w->linebreak = 2;
- }
- else if (2 == w->linebreak)
- {
- w->linebreak = 0;
- }
-}
-
-
-
-extern void resize_active_win(char change)
-{
- if (world.winDB.active)
- {
- struct Win * w = get_win_by_id(world.winDB.active);
- if (change == '-' && w->frame_size.y > 1)
- {
- w->frame_size.y--;
- }
- else if (change == '_' && w->frame_size.x > 1)
- {
- w->frame_size.x--;
- }
- else if ( change == '+'
- && w->frame_size.y < world.winDB.v_screen_size.y - 1)
- {
- w->frame_size.y++;
- }
- else if (change == '*' && w->frame_size.y < UINT16_MAX)
- {
- w->frame_size.x++;
- }
- if ( 1 == w->target_width_type
- && w->frame_size.x > world.winDB.v_screen_size.x)
- {
- w->target_width_type = 0;
- }
- set_win_target_size(w);
- update_wins(w);
- }
-}
-
-
-
-extern void shift_active_win(char dir)
-{
- uint8_t len_order = strlen(world.winDB.order);
- if (1 < len_order)
- {
- char * tmp = try_malloc(len_order + 1, __func__);
- tmp[len_order] = '\0';
- uint8_t pos = get_win_pos_in_order(world.winDB.active);
- if ('f' == dir)
- {
- if (pos == len_order - 1)
- {
- memcpy(tmp + 1, world.winDB.order, len_order - 1);
- tmp[0] = world.winDB.active;
- memcpy(world.winDB.order, tmp, len_order + 1);
- }
- else
- {
- world.winDB.order[pos] = world.winDB.order[pos + 1];
- world.winDB.order[pos + 1] = world.winDB.active;
- }
- }
- else
- {
- if (pos == 0)
- {
- memcpy(tmp, world.winDB.order + 1, len_order - 1);
- tmp[len_order - 1] = world.winDB.active;
- memcpy(world.winDB.order, tmp, len_order + 1);
- }
- else
- {
- world.winDB.order[pos] = world.winDB.order[pos - 1];
- world.winDB.order[pos - 1] = world.winDB.active;
- }
- }
- free(tmp);
- update_wins(get_win_by_id(world.winDB.order[0]));
- }
-}
-
-
-
-extern void scroll_v_screen(char dir)
-{
- if ( '+' == dir
- && world.winDB.v_screen_offset + world.winDB.v_screen_size.x + 1
- < getmaxx(world.winDB.v_screen))
- {
- world.winDB.v_screen_offset++;
- }
- else if ( '-' == dir
- && world.winDB.v_screen_offset > 0)
- {
- world.winDB.v_screen_offset--;
- }
-}
-
-
-
-extern void cycle_active_win(char dir)
-{
- uint8_t len_order = strlen(world.winDB.order);
- if (1 < len_order)
- {
- uint8_t pos = get_win_pos_in_order(world.winDB.active);
- if ('f' == dir)
- {
- world.winDB.active = world.winDB.order[pos + 1];
- if ('\0' == world.winDB.active)
- {
- world.winDB.active = world.winDB.order[0];
- }
- return;
- }
- if (pos > 0)
- {
- world.winDB.active = world.winDB.order[pos - 1];
- return;
- }
- world.winDB.active = world.winDB.order[len_order - 1];
- }
-}
projects / plomrogue / blobdiff